Home / 56,876.78-85,361.65-40,252.95

Finding the Fourth Proportional to 56,876.78, 85,361.65 and 40,252.95

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Solution

The fourth proportional to 56,876.78, 85,361.65 and 40,252.95 is: 60,412.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,876.78 : 85,361.65 = 40,252.95 : x
  2. Step 2: Convert to fraction form
    56,876.78/85,361.65 = 40,252.95/x
  3. Step 3: Cross multiply
    56,876.78x = 85,361.65 × 40,252.95
  4. Step 4: Simplify right side
    56,876.78x = 3,436,058,128.74
  5. Step 5: Solve for x
    x = 3,436,058,128.74/56,876.78
  6. Step 6: Final answer
    x = 60,412.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.